<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
  #d1{
    width: 100px;
    height: 100px;
    border: 1px solid red;
/*    margin-left: 100px;
    margin-top:50px;*/
      margin: 50px;
      margin: 100px 50px;
      margin: 10px 20px 30px 40px;
  }
  #d2 {
      width: 100px;
      height: 100px;
      border: 1px solid red;
      margin-top: 50px;
  }
  #s1{
      margin-right: 50px;
  }
  #s2{
      margin-left:30px;
  }
  #big{
      width: 200px;
      height: 200px;
      background-color: green;
      overflow: hidden;
  }
  #big>div{
      width: 50px;
      height: 50px;
      background-color: blue;
      margin-left: 50px;
      margin-top: 50px;
  }
</style>
<body>
<div id="big">
    <div></div>
</div>

<span id="s1">span1</span><span id="s2">span2</span>
<div id="d1"></div>
<div id="d2"></div>
</body>
</html>